Blocks by Range

A low-friction Harken 29mm Carbo AirBlocks from Harken. A lightweight, strong, reliable and affordable block. This variation comes with a removable bolt through the middle so it can be undone and connected to various locations on your boat...

The Ronstan 15 mm Utility Block range offers small boat sailors a lightweight, stainless steel block range for a variety of applications such as control lines and shockcord tension systems. This is the basic loop head type single block, great for lashing...

29mm Bullet Block Single with Swivel from Harken. 29mm Single Swivel Block

29mm 90 Degree Traveler Blocks from Harken. 29mm Two single blocks at 90 angle for use with traveler applications Made by Harken

Harken 40mm Carbo block with eyelet and spring for Optimist mainsheet system. Mount forward of ratchet block to complete mainsheet rigging. 40mm Harken Carbo Block Includes eyestrap and spring for mounting on deck. Mounting eyestrap hole spacing: 1...

22mm Micro Traveler Block from Harken. 22mm Two standard single blocks, linked for use on a traveler or similar application Made by Harken ONE DESIGN APPLICATIONS This fitting is commonly used and/or recommended for the following one design sailboat...

57mm Single Swivel Block from Harken. 57mm Single Block

40mm Carbo Fiddle Block from Harken. 40mm Fiddle block with a becket Made by Harken ONE DESIGN APPLICATIONS This fitting is commonly used and/or recommended for the following one design sailboat applications: J/22 Vang Floating Block (x1) Sonar Lower...

38mm Big Bullet Block w/ Swivel from Harken. 38mm Single Swivel Block

Low-friction Micro blocks are compact and lightweight. They are ideal for sailboards, smaller dinghies, and lightly loaded control lines on boats of all sizes. Sheave: 22 mm / 7/8 in Length: 64 mm / 2 1/2 in Weight: 43 g / 1.5 oz Maximum line: 6 mm /...

29mm Double Bullet Block from Harken. 29mm Triple Block Made by Harken

22mm Micro Fiddle Block w/ Jam from Harken. 22mm Fiddle block with Jam Made by Harken

29mm Carbo Triple Block w/ Cleat from Harken. 29mm Triple block configuration with cleat Made by Harken

22mm Micro Cheek Block from Harken. 22mm Mount a deck or similar Made by Harken

Low-friction Carbo Air blocks are lightweight, strong, reliable—and affordable. Companions to the popular Harken Black Magic block line, these small, compact blocks have very high working loads for safe, easy trimming. Sheave: 57 mm / 2 1/4 in...

38mm Big Bullet Block from Harken. 38mm Single Block Made by Harken